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Finding the Fourth Proportional to 7,355.37, 10,147.97 and 4,168.37

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Solution

The fourth proportional to 7,355.37, 10,147.97 and 4,168.37 is: 5,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.37 : 10,147.97 = 4,168.37 : x
  2. Step 2: Convert to fraction form
    7,355.37/10,147.97 = 4,168.37/x
  3. Step 3: Cross multiply
    7,355.37x = 10,147.97 × 4,168.37
  4. Step 4: Simplify right side
    7,355.37x = 42,300,422.13
  5. Step 5: Solve for x
    x = 42,300,422.13/7,355.37
  6. Step 6: Final answer
    x = 5,750.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.